The sternal angle, a surface landmark of the chest:
A) lies at the junction of the clavicles and manubrium.
B) can be used to locate the costal cartilages of the second ribs.
C) is a depression on the superior border of the manubrium.
D) is found at the inferior end of the sternum.

Question

Quizplus · Accepted Answer

The sternal angle, also known as the angle of Louis, is located at the junction between the manubrium and the body of the sternum. It is a palpable landmark that can be used to locate the second rib, which in turn helps in identifying the positions of other rib structures and divisions of the thorax.

The Sternal Angle, a Surface Landmark of the Chest